Models
openai
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GPT-6 Sol (Fast)

GPT-6 Sol is OpenAI's reasoning model for complex coding and agentic workflows. It accepts text and images, generates text, and supports a 1,050,000-token context window with up to 128,000 output tokens. Configurable reasoning effort, structured outputs, prompt caching, and Responses API tools make it suited to software development and multi-step automation.

explicit cachingfile inputimplicit cachingreasoningstructured outputtool usevisionweb searchfasttextimagepdf

Overview

Type
language
Context
1.1M
Max output
128K
Input / output
text, image, pdf / text

API

Model identifier

openai/gpt-6-sol-fast

Providers and live performance

Rolling Gateway metrics. Latency is time to first token; throughput is output tokens per second.

P50 / P95 over the last hour
ProviderStatusLatencyThroughputUptime 15m / 1h / 1dInputOutputCache read / writeDiscountRegionsZDRNo training
openaiOperational——— / — / —$2.00/M$10.00/M$0.20/M / $2.50/M—us, euYesYes

Pricing

input
0.000004
input tiers
{ "cost": "0.000004", "min": 0, "max": 272001 }, { "cost": "0.000008", "min": 272001 }
output
0.00002
output tiers
{ "cost": "0.00002", "min": 0, "max": 272001 }, { "cost": "0.00003", "min": 272001 }
input cache read
0.0000004
input cache read tiers
{ "cost": "0.0000004", "min": 0, "max": 272001 }, { "cost": "0.0000008", "min": 272001 }
input cache write
0.000005
input cache write tiers
{ "cost": "0.000005", "min": 0, "max": 272001 }, { "cost": "0.00001", "min": 272001 }
web search
10
regional
{ "eu": { "input": "0.000004", "input_tiers": [ { "cost": "0.000004", "min": 0, "max": 272001 }, { "cost": "0.000008", "min": 272001 } ], "output": "0.00002", "output_tiers": [ { "cost": "0.00002", "min": 0, "max": 272001 }, { "cost": "0.00003", "min": 272001 } ], "input_cache_read": "0.0000004", "input_cache_read_tiers": [ { "cost": "0.0000004", "min": 0, "max": 272001 }, { "cost": "0.0000008", "min": 272001 } ], "input_cache_write": "0.000005", "input_cache_write_tiers": [ { "cost": "0.000005", "min": 0, "max": 272001 }, { "cost": "0.00001", "min": 272001 } ] }, "us": { "input": "0.0000044", "input_tiers": [ { "cost": "0.0000044", "min": 0, "max": 272001 }, { "cost": "0.0000088", "min": 272001 } ], "output": "0.000022", "output_tiers": [ { "cost": "0.000022", "min": 0, "max": 272001 }, { "cost": "0.000033", "min": 272001 } ], "input_cache_read": "0.00000044", "input_cache_read_tiers": [ { "cost": "0.00000044", "min": 0, "max": 272001 }, { "cost": "0.00000088", "min": 272001 } ], "input_cache_write": "0.0000055", "input_cache_write_tiers": [ { "cost": "0.0000055", "min": 0, "max": 272001 }, { "cost": "0.000011", "min": 272001 } ] } }

Capabilities

explicit cachingfile inputimplicit cachingreasoningstructured outputtool usevisionweb searchfasttextimagepdf

Supported parameters

max tokens
Yes
temperature
Yes
stop
Yes
tools
Yes
tool choice
Yes
reasoning
Yes
include reasoning
Yes
response format
Yes
structured outputs
Yes

Reasoning options

options
{ "type": "toggle" }, { "type": "effort", "values": [ "none", "low", "medium", "high", "xhigh", "max" ] }

Metadata

type
language
context window
1.1M
max output
128K
knowledge cutoff
2026-04-20
released
Sep 22, 2026
temperature control
Yes
zero data retention
some
no training
all
regions
eu, us
api specifications
v2, v3, v4
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